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Filing Detail
Form 8-K - Current report:
SEC Accession No. 0001104659-23-072241
Filing Date
2023-06-16
Accepted
2023-06-16 16:15:22
Documents
13
Period of Report
2023-06-14
Items
Item 5.03: Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year
Item 5.07: Submission of Matters to a Vote of Security Holders
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 FORM 8-K tm2318847d1_8k.htm   iXBRL 8-K 41165
2 EXHIBIT 3.1 tm2318847d1_ex3-1.htm EX-3.1 162935
  Complete submission text file 0001104659-23-072241.txt   413025

Data Files

Seq Description Document Type Size
3 XBRL TAXONOMY EXTENSION SCHEMA imgn-20230614.xsd EX-101.SCH 3036
4 XBRL TAXONOMY EXTENSION LABEL LINKBASE imgn-20230614_lab.xml EX-101.LAB 34476
5 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE imgn-20230614_pre.xml EX-101.PRE 22597
7 EXTRACTED XBRL INSTANCE DOCUMENT tm2318847d1_8k_htm.xml XML 3587
Mailing Address 830 WINTER ST WALTHAM MA 02451
Business Address 830 WINTER ST WALTHAM MA 02451 (781)895-0600
ImmunoGen, Inc. (Filer) CIK: 0000855654 (see all company filings)

IRS No.: 042726691 | State of Incorp.: MA | Fiscal Year End: 1231
Type: 8-K | Act: 34 | File No.: 000-17999 | Film No.: 231021286
SIC: 2834 Pharmaceutical Preparations
Office of Life Sciences